Home / 57,697.28-86,541.05-18,248.66

Finding the Fourth Proportional to 57,697.28, 86,541.05 and 18,248.66

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Solution

The fourth proportional to 57,697.28, 86,541.05 and 18,248.66 is: 27,371.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,697.28 : 86,541.05 = 18,248.66 : x
  2. Step 2: Convert to fraction form
    57,697.28/86,541.05 = 18,248.66/x
  3. Step 3: Cross multiply
    57,697.28x = 86,541.05 × 18,248.66
  4. Step 4: Simplify right side
    57,697.28x = 1,579,258,197.49
  5. Step 5: Solve for x
    x = 1,579,258,197.49/57,697.28
  6. Step 6: Final answer
    x = 27,371.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.